Patents by Inventor Ruediger Caspari

Ruediger Caspari has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Hot stamping foil
    Patent number: 5393590
    Abstract: A hot stamping foil comprising in order a carrier, optional release control layer, color layer, and adherence layer, wherein the adherence layer comprises a mixture of ethylene copolymer dispersion and acrylic dispersion. Also a method using such foils to form graphic patterns on articles such as retroreflective license plates, stickers, or emblems and articles bearing graphic patterns formed using such foils.
    Type: Grant
    Filed: July 7, 1993
    Date of Patent: February 28, 1995
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Ruediger Caspari